Mammalian oocytes
Developmental competence of mammalian oocytes- insights into molecular research and the promise of microfluidic technology: a review
... Microfluidic technology is based on the transport and/transfer of a small amount of fluid through the electronic system composed of a computer station and one or more integrated electronic devices. In the past few years ...
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Parthenogenesis and activation of mammalian oocytes for in vitro embryo production: A review
... in mammalian oocytes by providing appropriate stimuli ...activated oocytes in the field of research that have been described such as intra cytoplasmic sperm injection, cloning by nuclear transfer, ...
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Knowledge based bioinformatics for the study of mammalian oocytes
... Recently, there has been an increasing effort in exploiting the available genome-wide expression data to highlight the transcrip- tional changes that occur during the differentiation of stem cells (Aiba et al., 2009, ...
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Mitochondria and lipid metabolism in mammalian oocytes and early embryos
... ABSTRACT Mammalian oocytes and early cleavage-stage embryos are critically dependent on their ~100,000 mitochondria to develop from ovulation to compacted morula ...for mammalian developmental ...
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Nucleologenesis and nucleolotransfer in mammalian oocytes: A review
... grown mammalian oocytes, zygotes and early cleavage stage embryos, especially in the context of embryonic genome ...in mammalian oocytes and early embryos have several forms and functions, ...
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The cytotoxic effect of cryoprotective agents on in vitro fertilization rates of mammalian oocytes
... The toxic effect of the cryoprotectors, on the viability of the cells is stated in specialty literature but the mechanism thru which it accts is not fully known. Huang et. al. (2006) has performed studies that are ...
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The role of inositol 1,4,5-triphosphate receptors in mammalian oocytes and preimplantation embryos
... MU oocytes in nocodazole for 4 hours stimulates downregulation of InsP^R expression to 30-40% of control levels, yet has no effect on the pattern of Ca^^ oscillations upon subsequent fertilisation (this study), in ...
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The APC/C activator FZR1 coordinates the timing of meiotic resumption during prophase I arrest in mammalian oocytes
... / oocytes was significantly delayed .../ oocytes still underwent GVB at a time that was accelerated relative to control littermate oocytes ...these oocytes accounts for this difference ...
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Reconstruction of mammalian oocytes by germinal vesicle transfer: A systematic review
... enucleated oocytes could be stained with 10 µg/ml Hoechst33342 (H342) for 8-10 sec and evaluated by fluorescence microscopy (18, 23, ...the oocytes were extended in a very narrow pipette and splitted ...
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Enucleolation and nucleolus transfer in mammalian oocytes and zygotes
... Sham-operated oocytes at GV stage. (ENU) Enucleolated immature oocytes – B23 and C23 are ...sham-operated oocytes with positively labelled ...
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Clomiphene Citrate Induces ROS Mediated Apoptosis in Mammalian Oocytes
... The molecular mechanism by which CC induces apoptosis at the level of ovary remains poorly understood in human. Based on the animal studies, we propose that CC induces generation of ROS and thereby apoptosis in granulosa ...
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Cyclic nucleotide phosphodiesterase 3A–deficient mice as a model of female infertility
... meiosis, mammalian oocytes are physiologically arrested in prophase I (prophase of the first meiotic division) until shortly before ...in oocytes and inhibits the sponta- neous maturation that occurs ...
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Kit ligand promotes first polar body extrusion of mouse preovulatory oocytes
... of mammalian oocytes is characterized by pro- longed arrest at the diplotene stage of prophase ...preovulatory oocytes undergo ...division, oocytes also undergo cytoplasmic maturation ...
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Osmotic-shock produced by vitrification solutions improves immature human oocytes in vitro maturation
... in mammalian oocytes at least up to the first metaphase ...mouse oocytes induces parthenogenetic activation and subsequent normal embryo development ...
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Dynamic stage specific changes in imprinted differentially methylated regions during early mammalian development and prevalence of non CpG methylation in oocytes
... both oocytes and sperm are CpG- methylated ...in oocytes, suggesting that it is not restricted to the DMRs, but prevalent in the CpG-methylated compartment of the oocyte ...mouse oocytes (Haines et ...
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The impact of different time intervals between hCG priming and oocyte retrieval on ART outcomes
... Therefore, the performance of oocyte retrieval in the suitable time may be useful and effect on embryo quality and pregnancy rate subsequently. However, this is the first study to report the effect of the timing between ...
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Histomorphometry of Golden Hamster Ovaries
... Results: This research results showed which right hamster ovary had 5/08±1/6mm in length, 3/05 ± 0/56 mm in wide ,and 2/88 ± 0/327 mm in diameter and left ovary had 4/68 ± 1/253 mm in length, 2/2 ± 0/703 mm in wide and ...
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Reproductive biology, oogenesis and early development in the brood-caring sea anemoneActinostola spetsbergensis (Anthozoa: Actiniaria)
... species. By contrast, the ovarial follicles and the oocytes appear rather uncommon. Particularly conspicuous is the extremely low number of oocytes: in small females[r] ...
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ROLE OF FIBRILLIN 3 ON FERTILIZATION CAPACITY OF INFERTILE WOMEN IN ICSI CYCLE
... The use of GnRH-Ag in the COS of women involved in this study may affect the process of follicular development ,luteinization, steroidogenesis, and apoptosis in the ovary. Pharmacological and high dose of GnRH-A showed a ...
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Fertility Preservation Indications and Available Options for Adult Non-Cancer Individuals
... mature oocytes (MII) survive well and result in live ...immature oocytes (GV and MI) is not satisfactory and further studied are needed to improve their outcome ...
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